27142422 has 32 divisors (see below), whose sum is σ = 56832000. Its totient is φ = 8631360.

The previous prime is 27142397. The next prime is 27142429. The reversal of 27142422 is 22424172.

It is a super-2 number, since 2×27142422² = 1473422144052168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27142392 and 27142401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27142429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12579 + ... + 14577.

It is an arithmetic number, because the mean of its divisors is an integer number (1776000).

Almost surely, 2^27142422 is an apocalyptic number.

27142422 is an abundant number, since it is smaller than the sum of its proper divisors (29689578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27142422 is a wasteful number, since it uses less digits than its factorization.

27142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108.

The product of its digits is 1792, while the sum is 24.

The square root of 27142422 is about 5209.8389610428. The cubic root of 27142422 is about 300.5265641156.

Adding to 27142422 its reverse (22424172), we get a palindrome (49566594).

The spelling of 27142422 in words is "twenty-seven million, one hundred forty-two thousand, four hundred twenty-two".